For example, the developed application is relatively healthy locally and runs as expected, but on the FaaS platform, there are some problems; or in some In a special environment, there is no way to simulate the online environment locally, and it is difficult to develop and debug the project...
While it might be tempting to install missing tools on the fly using commands likeapt-get install vim, this practice violates the principle of container immutability. In production, installing packages dynamically can introduce new dependencies, potentially causing application failures. The risks are hig...
Write tests in various programming languages such as Java, Python, Ruby, JavaScript, and more. Integrates seamlessly with popular testing frameworks like Selenium WebDriver for web automation and XCTest for iOS-specific testing. Run tests on both real iOS devices and simulators, ensuring thorough cov...
It is a common programming practice not to free heap blocks allocated to local variables inmain, because the program is about to terminate and return frommainwithout callingexit(). To prevent runtime checking from reporting such blocks as memory leaks, stop the program just beforemainreturns by ...
Troubleshooting Heap Problems Issues with dynamic allocated memory can be notoriously hard to track down and debug; this section aims to give tips on how to debug the most common issues with dynamic memory. In general, HeapMem and HeapMem + HeapTrack offer more debuggabil...
indesktop applicationprogramming environments (e.g., spreadsheets (Kissinger et al., 2008)). Typically, end user debugging has been studied in experimental laboratory settings (e.g., Ko & Myers, 2004) versus workplace studies or more natural environments. However, debugging practice can also be...
In addition to synchronization problems, multithreaded programs are prone to fairness issues: some of the threads may take all the CPU time, leaving others starving. The programmer may want to check whether this is a possible outcome under the default scheduling employed by the JVM or under ...
Java 8 webapp performance problemsJVM has 6-7 second GC pausesLinux kernel CPU contentionLogin only works when sitting down (and other stories). From Jon Bentley's Programming Pearls, section 5.10Mandrill stops sending messagesMatrix transformation is 10x faster in a test harness than in the game...
but in practice it is more likely that an application is simply using the exception handling mechanism to handle a normal case. A handled first chance exception is not generally a problem and can be ignored. Visual Basic often uses Inexact Floating Point exceptions as part of its run time sys...
By enabling warnings you will ensure that Perl gives you all the help it can to identify actual or potential problems in your code. Whenever you see an error or warning in the error_log, you must try to get rid of it. But why bother, if the program runs and seems to work? The ...